EP2112737A3 - Circuit for protecting at least one direct current network with direct current loads against overvoltage - Google Patents

Circuit for protecting at least one direct current network with direct current loads against overvoltage Download PDF

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Publication number
EP2112737A3
EP2112737A3 EP09154402.3A EP09154402A EP2112737A3 EP 2112737 A3 EP2112737 A3 EP 2112737A3 EP 09154402 A EP09154402 A EP 09154402A EP 2112737 A3 EP2112737 A3 EP 2112737A3
Authority
EP
European Patent Office
Prior art keywords
circuit
direct current
protecting
overvoltage
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09154402.3A
Other languages
German (de)
French (fr)
Other versions
EP2112737B1 (en
EP2112737A2 (en
Inventor
Hartmut Barnhusen
Paul Maiberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG Power Solutions GmbH
Original Assignee
AEG Power Solutions BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AEG Power Solutions BV filed Critical AEG Power Solutions BV
Publication of EP2112737A2 publication Critical patent/EP2112737A2/en
Publication of EP2112737A3 publication Critical patent/EP2112737A3/en
Application granted granted Critical
Publication of EP2112737B1 publication Critical patent/EP2112737B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1257—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to short circuit or wrong polarity in output circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/1252—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to overvoltage in input or output, e.g. by load dump
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • H02H7/127—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers having auxiliary control electrode to which blocking control voltages or currents are applied in case of emergency
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
    • H02H9/047—Free-wheeling circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)
  • Protection Of Static Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

Schaltung (S) zum Schutz zumindest eines an die Schaltung (S) anschließbaren Gleichstromnetzes mit Gleichstromlasten (1), wobei die Schaltung (S) geeignet und eingerichtet ist das Gleichstromnetz über einen Drei-Phasen-Gleichrichter (G) mit elektrischer Energie zu versorgen und folgende Merkmale aufweist:
- die Schaltung (S) umfasst ein Mittel (2, 3, 4, TH1, LS, CS, DU, DV, DW) zur Erkennung einer Überspannung, das geeignet und eingerichtet ist eine Überspannung am Eingang des Gleichstromnetzes zu erkennen,
- die Schaltung (S) umfasst ein Mittel zum Übernehmen eines Stroms, das geeignet und eingerichtet ist einem oder mehreren von stromführenden Thyristoren (THU1, THV1, THW1) des Gleichrichters (G) einen Strom aufzuprägen, der zu einem Löschen des Thyristors bzw. der Thyristoren (THU1, THV1, THW1) führt, sobald das Mittel zur Erkennung der Überspannung eine Überspannung erkannt hat.

Figure imgaf001
Circuit (S) for protecting at least one to the circuit (S) connectable DC network with DC loads (1), wherein the circuit (S) is suitable and adapted to supply the DC network via a three-phase rectifier (G) with electrical energy and having the following features:
- The circuit (S) comprises means (2, 3, 4, TH 1 , L S , C S , D U , D V , D W ) for detecting an overvoltage, which is suitable and set up an overvoltage at the input of the DC network to recognize
- The circuit (S) comprises means for taking over a current which is suitable and adapted to impose a current on one or more of current-carrying thyristors (TH U1 , TH V1 , TH W1 ) of the rectifier (G), which leads to a quenching of the thyristor or the thyristors (TH U1 , TH V1 , TH W1 ) leads, as soon as the means for detecting the overvoltage has detected an overvoltage.
Figure imgaf001
EP09154402.3A 2008-04-21 2009-03-05 Circuit for protecting at least one direct current network with direct current loads against overvoltage Active EP2112737B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008020030.1A DE102008020030B4 (en) 2008-04-21 2008-04-21 Circuit arrangement with a rectifier and a circuit for protecting at least one direct-current network with direct-current loads that can be connected to the circuit arrangement against overvoltage

Publications (3)

Publication Number Publication Date
EP2112737A2 EP2112737A2 (en) 2009-10-28
EP2112737A3 true EP2112737A3 (en) 2014-01-01
EP2112737B1 EP2112737B1 (en) 2020-05-13

Family

ID=40886126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09154402.3A Active EP2112737B1 (en) 2008-04-21 2009-03-05 Circuit for protecting at least one direct current network with direct current loads against overvoltage

Country Status (5)

Country Link
US (1) US8369050B2 (en)
EP (1) EP2112737B1 (en)
JP (1) JP5357616B2 (en)
CN (1) CN101567553B (en)
DE (1) DE102008020030B4 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103490643A (en) * 2013-09-26 2014-01-01 广州普瑞电力控制系统设备有限公司 Three-phase voltage controller with industrial power supply
CN105634097B (en) * 2016-03-29 2018-02-02 重庆和诚电器有限公司 A kind of threephase switch pressure regulator for preventing from charging out of control
CN106849021A (en) * 2017-03-17 2017-06-13 深圳市禾望电气股份有限公司 Semiconductor switch over-current detecting method and current transformer
KR102276024B1 (en) 2019-10-30 2021-07-12 엘에스일렉트릭(주) A sts(static transfer switch) and an ups(uninterruptible power supply) module with the sts

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549019A1 (en) * 1975-11-03 1977-05-05 Licentia Gmbh DC load current suppression in rectifier circuits - uses forced commutation path in parallel with load with thyristor capacitor and choke
DE3504594A1 (en) * 1984-03-30 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Overvoltage protection device for thyristor-controlled rectifier apparatuses in a half-controlled, balanced, single-phase or multi-phase bridge circuit and a centre-point circuit

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549736C2 (en) 1975-11-06 1982-07-08 Brown, Boveri & Cie Ag, 6800 Mannheim Safety circuit for a line-commutated converter
JPS5312030A (en) * 1976-07-21 1978-02-03 Fuji Electric Co Ltd Power converter
DE3035808A1 (en) * 1980-09-23 1982-05-06 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR PROTECTION AGAINST OVERVOLTAGE FOR NETWORKS
JPH088778B2 (en) * 1987-04-22 1996-01-29 株式会社日立製作所 Current source inverter device
JPH01198277A (en) * 1988-02-01 1989-08-09 Fuji Electric Co Ltd Semi-conductor power converter
US4805082A (en) * 1988-03-14 1989-02-14 Westinghouse Electric Corp. Regenerative two-quadrant converter
US4815052A (en) * 1988-07-06 1989-03-21 Honeywell, Inc. Automatic overvoltage protection circuit
JPH02164272A (en) * 1988-12-19 1990-06-25 Hitachi Ltd Power converter
JP2726506B2 (en) * 1989-08-21 1998-03-11 株式会社東芝 Uninterruptible power supply system
US5127085A (en) * 1991-04-01 1992-06-30 General Motors Corporation Ride-through protection circuit for a voltage source inverter traction motor drive
DE4136731A1 (en) 1991-11-05 1993-05-06 Elpro Ag Berlin - Industrieelektronik Und Anlagenbau -, O-1140 Berlin, De Drive circuitry for mains supplied AC converter - operates turn off capacitor via GTO thyristor with coupled inductance and diode
US5615097A (en) 1994-09-20 1997-03-25 Astec International, Ltd. Transient over voltage protection circuit for electrical power converters
JPH10178779A (en) 1996-12-18 1998-06-30 Fanuc Ltd Overvoltage preventive circuit in step-down converter
JPH11178333A (en) * 1997-12-15 1999-07-02 Sansha Electric Mfg Co Ltd Dc power device
US6055167A (en) * 1998-08-10 2000-04-25 Custom Power Systems, Inc. Pulse width modulated boost converter integrated with power factor correction circuit
JP3689313B2 (en) * 2000-06-06 2005-08-31 デンヨー株式会社 Inverter overvoltage protection device
JP2007325388A (en) * 2006-05-31 2007-12-13 Hitachi Ltd Control unit for motor, and in-vehicle motor driven system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549019A1 (en) * 1975-11-03 1977-05-05 Licentia Gmbh DC load current suppression in rectifier circuits - uses forced commutation path in parallel with load with thyristor capacitor and choke
DE3504594A1 (en) * 1984-03-30 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Overvoltage protection device for thyristor-controlled rectifier apparatuses in a half-controlled, balanced, single-phase or multi-phase bridge circuit and a centre-point circuit

Also Published As

Publication number Publication date
CN101567553A (en) 2009-10-28
US8369050B2 (en) 2013-02-05
JP2009268347A (en) 2009-11-12
JP5357616B2 (en) 2013-12-04
EP2112737B1 (en) 2020-05-13
CN101567553B (en) 2014-03-26
DE102008020030A1 (en) 2009-10-22
US20090262469A1 (en) 2009-10-22
EP2112737A2 (en) 2009-10-28
DE102008020030B4 (en) 2022-05-19

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